Conductivity, Temperature, and Depth (CTD) sensors are in situ instrument packages used to measure water depth, pressure, salinity, temperature, and density in the ocean. CTD sensors can be deployed on various water-based platforms such as autonomous underwater vehicles (AUVs), buoys, gliders, or research vessels. When deployed on a vessel, CTD sensors are typically attached to a rosette and then lowered to the seafloor to measure water properties. CTD sensors have a typical sampling rate of 30 Hz and can collect precise measurements at specific water depths based on the researcher's needs.
Instrument Details
- Multi
- Earth Science > Oceans > Ocean Pressure > Water PressureEarth Science > Oceans > Bathymetry/seafloor Topography > Water DepthEarth Science > Oceans > Salinity/density > ConductivityEarth Science > Oceans > Salinity/density > DensityEarth Science > Oceans > Salinity/density > SalinityEarth Science > Oceans > Ocean Temperature > Water TemperatureEarth Science > Oceans > Salinity/density
- Sea Floor, Subsurface - Sea/Ocean/Water
- 30 Hz
- Point
- N/A
- https://doi.org/10.1575/1912%2F647
Currently unavailable
Currently unavailable
Woods Hole Oceanographic Institution, D-2 Inc., nke Instrumentation, Sea-Bird Scientific
Currently unavailable
Currently unavailable
Ivilia S/Y Ivilia 1 Campaign · 2 Instruments |  Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Moored Buoy Stationary 6 Campaigns · 13 Instruments |  Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Jet Surface Salinity Profiler 1 Campaign · 4 Instruments |  Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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ASIS Air-Sea Interaction Spar Buoy 1 Campaign · 6 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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 U.S. Coast Guard Cutter Healy 1 Campaign · 11 Instruments |  Impacts of Climate on the Eco-Systems and Chemistry of the Arctic Pacific Environment 2010—2011 Beaufort Sea, Chukchi Sea 2 Deployments · 0 Data Products
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Aranda R/V Aranda 1 Campaign · 5 Instruments |  Light Precipitation Evaluation Experiment 2010 Gulf of Finland 1 Deployment · 22 Data Products
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Tethys II R/V Tethys II 1 Campaign · 1 Instrument |  Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
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Le Provence Le Provence 1 Campaign · 1 Instrument | Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
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 Campaign Permanent Water Sites Stationary 4 Campaigns · 12 Instruments | Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
Impacts of Climate on the Eco-Systems and Chemistry of the Arctic Pacific Environment 2010—2011 Beaufort Sea, Chukchi Sea 2 Deployments · 0 Data Products
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Neptune M/V Neptune 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Drifting Buoy 8 Campaigns · 7 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
 Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
 EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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Arii Moana M/V Arii Moana 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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UpTempO Upper layer Temperature of the Polar Oceans Buoy 2 Campaigns · 1 Instrument |  Marginal Ice Zone Ocean and Ice Observations and Processes Experiment 2013 Southern Beaufort Sea, Prudhoe Bay, Alaska 1 Deployment · 0 Data Products
Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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 R/V Roger Revelle 2 Campaigns · 15 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 ARGO Float Stationary 4 Campaigns · 2 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 SeaGlider 3 Campaigns · 5 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Wirewalker 1 Campaign · 3 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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 R/V Sally Ride 2 Campaigns · 6 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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Ault R/V Ault 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Wave Glider 3 Campaigns · 3 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 M/V Bold Horizon 1 Campaign · 5 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 R/V Oceanus 3 Campaigns · 12 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
 First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment 1986—1998 Central and Midwest United States, California Coast, Northwest Africa, Alaska 5 Deployments · 131 Data Products
ASTEX Atlantic Stratocumulus Transition Experiment 1992 Azores and Madeira islands 1 Deployment · 0 Data Products
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 Under Ice Float 1 Campaign · 2 Instruments | Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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 R/V Woldstad 1 Campaign · 8 Instruments | Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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M/V Wave M/V Wave 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 RV Thalassa 1 Campaign · 3 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Endeavor 2 Campaigns · 12 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Sarmiento de Gamboa 2 Campaigns · 5 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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 Neutrally Buoyant Float 1 Campaign · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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Slocum Glider Slocum Sub-surface Electric Glider 2 Campaigns · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 i3XO EcoMapper AUV 1 Campaign · 4 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 SeaSoar 1 Campaign · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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Lady Amber R/V Lady Amber 1 Campaign · 7 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Saildrone 2 Campaigns · 5 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 RRS James Cook 1 Campaign · 6 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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Discovery RRS Discovery 1 Campaign · 5 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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SuperSoar Oregon State University SuperSoar 1 Campaign · 2 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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 R/V Knorr 1 Campaign · 10 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Ronald H. Brown 3 Campaigns · 45 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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 M/V Cape Race 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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